US908012A - Separator. - Google Patents

Separator. Download PDF

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Publication number
US908012A
US908012A US37343107A US1907373431A US908012A US 908012 A US908012 A US 908012A US 37343107 A US37343107 A US 37343107A US 1907373431 A US1907373431 A US 1907373431A US 908012 A US908012 A US 908012A
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United States
Prior art keywords
sieve
sills
blocks
grain
separator
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Expired - Lifetime
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US37343107A
Inventor
Abram J Koistinen
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Individual
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Individual
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Priority to US37343107A priority Critical patent/US908012A/en
Application granted granted Critical
Publication of US908012A publication Critical patent/US908012A/en
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Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
    • A47J43/22—Kitchen sifters

Definitions

  • This invention relates to grain separators and has for its object to provide a simple but very efficient mechanism of the class stated.
  • One of the novel features of the invention resides in the rovision of a sieve which is 7 arranged in a 'rame, and an apron or conveyer which is arranged for travel above the sieve and serves to force grain of a certain size through the openings in the sieve, the grain being delivered to mechanism at one end of the sieve upon a board which is adapted to direct it between the sieve and the conveyer after which it is drawn over the sieve toward the op osite end thereof. 7
  • a further novel feature of the invention lies in the form of driving means employed for the conveyer, there being means for adjusting the tension of the drive belt and the conveyer belt so that the work performed by the mechanism under different conditions will be uniformly satisfactory.
  • Figure 1 is a top plan view of the se arator
  • Fig. 2 is a bottom plan view thereo Big.
  • 3 is a side elevation
  • liig. 4' is a vertical longitudinal sectional view taken centrally thereof
  • Iig. 5 is a similar view taken through one of the devices for adjusting the tension of the conveyer belt.
  • the separator comprises a frame including side sills 6 and connecting sills 7, which are secured at their ends to the undersides of the side sills adjacent their ends.
  • a sieve or screen 8 which is in the form of a foraminous plate, it being understood of course that the said sieve extends from one to the other of the side sills and likewise from one to the other of the connecting sills.
  • a grain board 9 is arranged in inclined position at the forward various adjustments.
  • a shaft 10 carrying a roller 11 is journaled in the side sills of the framedirectly above the lower edge of the grain board and a shaft 12, carrying a roller 13, is journaled in suitable bearings 14 upon the rear ends of blocks 15 at the rear end of the frame.
  • These blocks are provided with slots 16 through which are engaged bolts 17 having engaged thereon nuts 18, these bolts serving as a means whereby the blocks may be held at
  • t ey are bifurcated at their forward ends as at 19 forv the reception of headed studs 20 upon the upper edges of theside sills of the frame.
  • the blocks are provided with depending ortions 21 which, when the blocks are at the imit of their forward adjustment, abut the rear ends of the corresponding I side sills.
  • An endless conveyer belt 22 is engaged over the rollers upon thetwo shafts above described, and the under stretch of this belt is designed to travel over the upper face of the sieve in contact therewith so as to drag the grain de osited upon the sieve, from the front en thereof to the rear end.
  • a grooved pulley 23 is fixed upon the shaft 12 and over this pulley and a similar pulley 24 carried by a drive shaft 25 is engaged a drive belt 26.
  • a su porting frame consisting of side sills, a roller journaled therebetween adjacent to one end thereof; blocks slidably mounted on the sills at the other revent

Description

A: J. xommm.
SEPARATOE.
APPLIOATION P'ILED MAY 13, 1907.
Patented Dec. 29,- 1908.
2 SHEETS-SHEET 1.
atboznurk umans-11mins PATENT ornron ABRAM' J. KOISTINEN, OF BRYANT, SOUTH DAKOTA.
SEPARATOR.
Specification of Letters Patent.
Patented Dec. 29, 1908.
Application filed May 13, 1907.Seria1 I Io. 373,431.
This invention relates to grain separators and has for its object to provide a simple but very efficient mechanism of the class stated.
One of the novel features of the invention resides in the rovision of a sieve which is 7 arranged in a 'rame, and an apron or conveyer which is arranged for travel above the sieve and serves to force grain of a certain size through the openings in the sieve, the grain being delivered to mechanism at one end of the sieve upon a board which is adapted to direct it between the sieve and the conveyer after which it is drawn over the sieve toward the op osite end thereof. 7
A further novel feature of the invention lies in the form of driving means employed for the conveyer, there being means for adjusting the tension of the drive belt and the conveyer belt so that the work performed by the mechanism under different conditions will be uniformly satisfactory.
In the accompanying drawings, Figure 1 is a top plan view of the se arator, Fig. 2 is a bottom plan view thereo Big. 3 is a side elevation, liig. 4' is a vertical longitudinal sectional view taken centrally thereof, and,
Iig. 5 is a similar view taken through one of the devices for adjusting the tension of the conveyer belt.
As shown in the drawings, the separator comprises a frame including side sills 6 and connecting sills 7, which are secured at their ends to the undersides of the side sills adjacent their ends. thus formed and in a plane with the under sides of the side sills is a sieve or screen 8 which is in the form of a foraminous plate, it being understood of course that the said sieve extends from one to the other of the side sills and likewise from one to the other of the connecting sills. A grain board 9 is arranged in inclined position at the forward various adjustments.
Arranged in the frame end ofthe frame and extends from one to the other of the said side sills and is so positioned that grain de osited thereon will be directed, by reason 0 the inclination of the board, onto the sieve.
A shaft 10 carrying a roller 11 is journaled in the side sills of the framedirectly above the lower edge of the grain board and a shaft 12, carrying a roller 13, is journaled in suitable bearings 14 upon the rear ends of blocks 15 at the rear end of the frame. These blocks are provided with slots 16 through which are engaged bolts 17 having engaged thereon nuts 18, these bolts serving as a means whereby the blocks may be held at In order to lateral movement of the blocks, t ey are bifurcated at their forward ends as at 19 forv the reception of headed studs 20 upon the upper edges of theside sills of the frame. At their rear ends, the blocks are provided with depending ortions 21 which, when the blocks are at the imit of their forward adjustment, abut the rear ends of the corresponding I side sills.
An endless conveyer belt 22 is engaged over the rollers upon thetwo shafts above described, and the under stretch of this belt is designed to travel over the upper face of the sieve in contact therewith so as to drag the grain de osited upon the sieve, from the front en thereof to the rear end.
A grooved pulley 23 is fixed upon the shaft 12 and over this pulley and a similar pulley 24 carried by a drive shaft 25 is engaged a drive belt 26.
Loosely mounted for rocking movement upon the shaft 12 is an angle lever at the end of one armof which is journaled a roller 27 over which the drive belt also passes and to the other arm of this lever is pivotally connected one end of a connecting rod 28 which leads from a lever 29 pivotally mounted upon one of the side,sills of the frame, it being understood that'this lever may be rocked to cause the roller to bear more or less firmly against the drive belt to adjust the tension of the same.
What is claimed is:
In.a separator, a su porting frame consisting of side sills, a roller journaled therebetween adjacent to one end thereof; blocks slidably mounted on the sills at the other revent
US37343107A 1907-05-13 1907-05-13 Separator. Expired - Lifetime US908012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US37343107A US908012A (en) 1907-05-13 1907-05-13 Separator.

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Application Number Priority Date Filing Date Title
US37343107A US908012A (en) 1907-05-13 1907-05-13 Separator.

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US908012A true US908012A (en) 1908-12-29

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US37343107A Expired - Lifetime US908012A (en) 1907-05-13 1907-05-13 Separator.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426953A (en) * 1945-02-10 1947-09-02 American Machinery Corp Automatic grading table with gauging slots

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426953A (en) * 1945-02-10 1947-09-02 American Machinery Corp Automatic grading table with gauging slots

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